All the Latest Game Footage and Images from BlackJack Math Cross Numbers Tease your brain in this ambient logic game where you have to make the math match 21 as a result horizontal and vertically ...

Sharma is CEO and co-founder of Zearn, a nonprofit dedicated to transforming K-8 math education. Sharma is also the author of "Math Mind: The Simple Path of Loving Math," a book that dives into how we ...